feat: refactor CoSTEER classes to use DSCoSTEER and update max seconds handling (#1156)

* feat: refactor CoSTEER classes to use DSCoSTEER and update max seconds handling

* remove useless line

* enable time_ratio_limit_to_enable_hyperparameter_tuning

rdagent/core/conf.py

@@ -56,6 +56,7 @@ class RDAgentSettings(ExtendedBaseSettings):
     # workspace conf
     workspace_path: Path = Path.cwd() / "git_ignore_folder" / "RD-Agent_workspace"
     workspace_ckp_size_limit: int = 0
+    workspace_ckp_white_list_names: list[str] | None = None
     """
     the checkpoint for the workspace is a zip file.
     0 (or any value <=0) means *no* size limit for files in workspace checkpoints

rdagent/core/experiment.py

@@ -318,7 +318,10 @@ class FBWorkspace(Workspace):
                     zf.writestr(zi, str(file_path.readlink()))
                 elif file_path.is_file():
                     size_limit = RD_AGENT_SETTINGS.workspace_ckp_size_limit
-                    if size_limit <= 0 or file_path.stat().st_size <= size_limit:
+                    if (
+                        RD_AGENT_SETTINGS.workspace_ckp_white_list_names is not None
+                        and file_path.name in RD_AGENT_SETTINGS.workspace_ckp_white_list_names
+                    ) or (size_limit <= 0 or file_path.stat().st_size <= size_limit):
                         zf.write(file_path, file_path.relative_to(self.workspace_path))
         self.ws_ckp = buf.getvalue()